package strings;
import static net.mindview.util.Print.*;

public class Immutable {

	public static String upcase(String s) {
		return s.toUpperCase();
	}
	public static void main(String[] args) {
		String q ="howdy";
		print(q);
		String qq = upcase(q);
		print(qq);
		print(q);
	}
}
